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Scala Stack pushAll() method with example

  • Last Updated : 03 Nov, 2019

In Scala Stack class, the pushAll() method is utilized to add the elements from a collection to a stack.

Method Definition: def pushAll(elems: IterableOnce[A]): Stack.this.type

Return Type: It returns a stack that contains all the elements of the given collection.

Example #1:




// Scala program of pushAll() 
// method 
  
import scala.collection.mutable.Stack 
  
// Creating object 
object GfG 
      
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a stack
        var s1 = Stack[String]()
          
        // Creating a set
        var s2 = Set("C++", "Java", "Python", "Scala"
          
        // Print the set
        println(s2)
      
        // Applying pushAll method    
        s1.pushAll(s2)
          
        // Print the stack
        println(s1
  
    
Output:
Set(C++, Java, Python, Scala)
Stack(Scala, Python, Java, C++)

Example #2:




// Scala program of pushAll() 
// method 
  
import scala.collection.mutable.Stack 
  
// Creating object 
object GfG 
      
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a stack
        var s1 = Stack[String]()
          
        // Creating another stack
        var s2 = Stack("C++", "Java", "Python", "Scala"
          
        // Print the stack
        println(s2)
      
        // Applying pushAll method    
        s1.pushAll(s2)
          
        // Print the stack
        println(s1
  
    
Output:
Stack(C++, Java, Python, Scala)
Stack(Scala, Python, Java, C++)



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